NITHIN_R // SECURE_SHELL
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NITHIN R

Network Security Engineer · IT Infrastructure Engineer
Call WhatsApp Email Al Buhaira Towers, Al Nahda, Dubai, UAE
Nithin R
STATUS: ACTIVE · 9+ YRS UPTIME
01Professional Summary

Results-driven IT professional with 9+ years of progressive experience across network engineering, cybersecurity, server administration, and physical security deployments. Proven expertise designing and managing end-to-end infrastructure in mission-critical environments including hospitals and enterprise offices. Deep hands-on proficiency with Fortinet firewalls, SD-WAN, VMware/Hyper-V virtualisation, Microsoft 365, Azure cloud, and HIS platforms. Holds CCNA, Fortinet NSE, and multiple EC-Council cybersecurity certifications — adept at bridging technical complexity with operational continuity.

9+
Years Experience
99.9%
Uptime Delivered
900+
Users Migrated to M365
50+
Access Points Secured
02Professional Experience
ICT Security Specialist
JUN 2024 — PRESENT
D11 Technology — Dubai, UAE
  • Administer virtual and physical server infrastructure, maintaining 99.9% uptime and full security compliance across client environments.
  • Configure, manage, and troubleshoot Fortinet next-generation firewalls, including SSL inspection, IPS, DLP, and application control policies.
  • Design and implement SD-WAN, site-to-site VPN, IPSec tunnels, failover routing, and high-availability firewall clusters.
  • Administer Microsoft 365 tenants: Exchange Online, SharePoint, Teams, OneDrive, Intune MDM, and Conditional Access policies.
  • Lead end-to-end deployment of physical security solutions: IP CCTV (Thermal/PTZ/ANPR), access control systems, and LED signage video walls.
  • Liaise directly with clients to assess infrastructure requirements and translate them into scalable technical solutions.
Hardware & Network Engineer
APR 2018 — MAY 2024
N.S Memorial Institute of Medical Sciences — Kerala, India
  • Designed, deployed, and maintained full hospital IT infrastructure including HIS platforms with custom configuration and end-user training.
  • Managed server rooms: Windows Server, Active Directory, Exchange Server, DHCP/DNS, RAID arrays, storage pools, clustered servers, and SAN storage.
  • Administered Microsoft 365 environment including Exchange Online migration, Teams deployment, SharePoint Online, and Azure AD user lifecycle management.
  • Installed, configured, and maintained Fortinet firewalls, CCTV (NVR multi-camera), IPBX/EPBX telephony, and nurse call systems.
  • Configured smart patch panels (interactive patch panel), Layer 2/3 VLANs, port forwarding, trunking, stacking, and enterprise wireless networks — both virtual and physical network controllers.
  • Managed VMware vSphere/ESXi clusters and Hyper-V environments: VM provisioning, snapshots, ESXi restoration, and HA configuration.
  • Administered Azure cloud resources: virtual machines, storage accounts, VNets, NSGs, and hybrid identity.
  • Designed and hosted websites with full domain/subdomain configurations via cPanel, including DNS mapping and SSL setup.
  • Delivered Tier 1–3 cross-platform desktop support (Windows, macOS, Linux) and conducted HIS tool training for clinical staff.
03Core Technical Skills

Networking

LAN/WANVLANDHCPDNS Site-to-Site VPN (IPSec/SSL)SD-WANLoad Balancing TrunkingStackingOSPFRIP VRRPLayer 3 Switching

Security

Fortinet FortiGateSonicWallSSL Decryption IPS/IDSDLPPAMCaptive Portal ProxyFirewall Failover & HA

Microsoft 365

Exchange OnlineSharePoint OnlineTeams OneDrive for BusinessIntune (MDM/MAM)Azure AD Conditional AccessMFAM365 Admin Center

Windows Server

Active Directory (AD DS)Group PolicyExchange Server DNS/DHCPRAIDStorage Pools Failover ClusteringWSUSRDS NIC TeamingTrust Server Setup

Cloud & Virtualisation

VMware vSphere/ESXiHA / DRS / vMotionMicrosoft Hyper-V Azure VMsVNetsStorageNSG Azure AD ConnectAWS

Physical Security

IP CCTV (Thermal, PTZ, ANPR)Multi-NVR Video Wall Access Control IntegrationLED Signage Walls IPTVKVM Switch

Telecom

IPBX & EPBX Setup/MigrationNurse Call Systems PA SystemsTrunk Line VPNSIP Configuration

Tools & Hosting

WiresharkNmapSolarWindsNetFlow Analyzer IP ScannerPuTTY / Tera TermCisco Packet Tracer GNS3 / EVE-NGcPanelDNS Mapping SSL CertificatesWordPress
04Key Projects & Integrations
PRJ / 01

Hospital HIS Implementation

Full-scale deployment of a Hospital Information System including network infrastructure, server setup, and comprehensive staff training across clinical and administrative departments.

PRJ / 02

Microsoft 365 Tenant Migration

Led on-premises Exchange to Exchange Online migration, Azure AD Connect synchronisation, Teams rollout, and Intune device enrolment for 900+ users.

PRJ / 03

Enterprise Security Systems

Designed and deployed a multi-site CCTV solution (Thermal/PTZ/ANPR cameras), multi-NVR video wall, and integrated access control covering 50+ entry points.

PRJ / 04

VMware Cluster Build

Architected and deployed a VMware vSphere cluster with ESXi hosts, vCenter, HA/DRS policies, and backup/restoration procedures ensuring business continuity.

PRJ / 05

SD-WAN & Firewall Failover

Implemented Fortinet SD-WAN across a multi-branch environment with redundant ISP links, policy-based routing, and automated failover eliminating single points of failure.

PRJ / 06

Azure Cloud Deployment

Configured Azure infrastructure including compute, storage, VNets, NSGs, and Azure AD Connect for hybrid identity across on-premises and cloud environments.

PRJ / 07

Telecom Infrastructure

Planned and executed EPBX-to-IPBX migration, PA system integration, nurse call system wiring, and trunk line VPN provisioning.

05Certifications
CCNA — Cisco Certified Network Associate
Cisco ID: CSCO14594529
NSE — Fortinet Network Security Expert
Firewall Certified
Microsoft Windows Server Administration
Certified
Cisco Cybersecurity Essentials & Ethical Hacking
Certified
EC-Council Cybersecurity for Business
Fundamentals Edition
Cybersecurity Awareness & Enterprise Network Security
Certified
06Education

Bachelor of Engineering — Electronics & Communication Engineering

Anna University, Tamil Nadu, India